-ic b-u bbb bbc bbh bbi bbk bbo bbr bbu bby bcb bcc bch bci bck bco bcr bcu bcv bcy bhb bhc bhh bhi bhk bho bhr bhu bhv bi- bib bic bih bii bik bio bir biu biv biy bkb bkc bkk bko bkr bkv bob boc boh boi bok boo bor bou bov boy brb brh bri brk bro brr bru brv bry bub buc buh bui buk buo bur buu buy bvb bvc bvh bvi bvk bvo bvr bvu bvv by- byc byh byi byk byo byr byu c-- cbb cbc cbh cbi cbk cbo cbr cbu cbv cby ccb ccc cch cci cck cco ccr ccu ccv ch- chb chc chh chi chk cho chr chu chv chy ci- cib cic cih cii cik cio cir ciu civ ckb ckc ckh cki cko cky co- cob coc coh coi cok coo cor cou cov coy crb crc crh cri crk cro crr cru crv cry cub cuc cuh cui cuk cuo cur cuu cuv cuy cvb cvc cvh cvi cvk cvo cvr cvu cvv cyb cyc cyk cyo cyr h-i hbb hbc hbh hbi hbk hbo hbr hbu hbv hby hcb hcc hch hci hck hco hcr hcv hcy hhb hhc hhh hhi hhk hho hhr hhu hhv hhy hib hic hih hii hik hio hir hiu hiv hkb hkh hki hkk hko hkr hku hob hoc hoh hoi hok hoo hor hou hov hoy hr- hrb hrc hrh hri hrk hro hrr hru hrv hub huc huh hui huk huo hur huu huv huy hv- hvb hvc hvk hvo hvr hvv hvy hy- hyb hyc hyh hyi hyo hyr hyv hyy i-v ibb ibc ibh ibi ibk ibo ibr ibu ibv iby icb icc ich ici ick ico icr icu icv icy ihb ihc ihh ihi ihk iho ihr ihu ihv ihy iib iic iih iii iio iir iiu ikb ikc iki ikk iko ikr iku ikv io- iob ioc ioh ioi ioo ior iou iov ir- irb irc iri irk iro irr iru irv iry iu- iub iuc iui iur ivb ivc ivi ivo ivr ivu ivv ivy iyc iyo iyr iyy kbb kbc kbh kbi kbk kbo kbr kbu kcb kcc kch kci kck kcr kcu khh khi khk kho khr khu khv kib kic kih kii kik kio kir kiu kiv kkb kkc kkh kki kkk kkr kku kkv kky kob koc koh koi kok koo kor kou koy krc kri krk kro krr kru krv kry kub kuc kuh kui kuk kur kuu kuy kvb kvh kvi kvk kvo kvr kvv kyc kyo kyr kyu o-i ob- obb obc obh obi obk obo obr obu obv oby oc- ocb occ och oci ock oco ocr ocu ocv ohc ohh ohi oho ohr ohu oib oic oii oik oio oir oiu oiv okb okc oki okk oko okr oku oo- oob ooc ooh ooi ook ooo oor oov or- orb orc orh ori ork oro orr oru orv ory ou- ouc ouh oui ouk ouo our ov- ovb ovc ovh ovi ovo ovv oyi oyo rbb rbc rbh rbi rbk rbo rbr rbu rcb rcc rch rci rco rcr rcu rcv rh- rhb rhc rhh rhi rho rhr rhu rhv rib ric rih rii rik rio rir riv riy rkb rkc rkk rko rku rkv rky rob roc roh roi rok roo ror rou rov roy rrb rrc rrh rri rrk rrr rru rub ruc ruh rui ruk ruo rur ruu ruv ruy rvb rvc rvh rvi rvo rvr rvu rvv rvy ry- ryc ryk ryo ryr ryu ryy ubb ubc ubh ubi ubk ubo ubr ubu ubv uby ucb ucc uch uci uck uco ucr ucu ucv uhb uhc uhh uhi uho uhr uhu uhv uhy uib uic uii uio uir uiu ukb ukc uki ukk ukr uku uob uoc uok uoo uor ur- urb urc uri urk uro urr uru ury uuc uur uuu uvb uvc uvo uvu uvv uyc uyi uyo uyu vbc vbh vbi vbk vbo vbr vbv vcc vch vci vco vcr vcu vcy vh- vhb vhc vhi vho vi- vib vic vii vik vio vir viu viv viy vkb vob voc voh voi vok voo vor vou vov voy vrb vrc vrh vri vrk vrr vru vry vuk vur vuv vvb vvc vvi vvo vvr vvv ybc ybi ybr yby ycc ych yci yco ycu ycv ycy yhc yhi yhu yih yii yio yir yki ykk yob yoc yoi yok yoo yor you yoy yrc yro yru yuh yui yuk yuo yur yuu yuv yuy yvi yvo yvr yvy yyb yyc yyu yyy